Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Quantas localizações existem para o apelido atlético dos cruzados azuis?
 ###Tabelas: CREATE TABLE european_record (european_record_id AUTO_INCREMENT PRIMARY KEY, Season VARCHAR, Competition VARCHAR, Round VARCHAR, Opponents VARCHAR, Home leg VARCHAR, Away leg VARCHAR, Aggregate VARCHAR) CREATE TABLE 2001 (2001_id AUTO_INCREMENT PRIMARY KEY, Date VARCHAR, Visiting Team VARCHAR, Final Score VARCHAR, Host Team VARCHAR, Stadium VARCHAR) CREATE TABLE tertiary_institutions (tertiary_institutions_id AUTO_INCREMENT PRIMARY KEY, Institution VARCHAR, Location VARCHAR, Enrollment VARCHAR, Athletic nickname VARCHAR, School Colors VARCHAR, Founded INT) CREATE TABLE tallest_buildings_and_structures (tallest_buildings_and_structures_id AUTO_INCREMENT PRIMARY KEY, Rank VARCHAR, Name VARCHAR, Height metres / ft VARCHAR, Floors VARCHAR, Year INT) CREATE TABLE total_playoff_berths_while_in_the_afl_afc_east (total_playoff_berths_while_in_the_afl_afc_east_id AUTO_INCREMENT PRIMARY KEY, Team VARCHAR, Division Titles INT, Playoff Berths INT, AFL Titles INT, AFC Championships INT, Super Bowl Championships INT)  
SELECT COUNT Location FROM tertiary_institutions WHERE Athletic nickname = Blue Crusaders